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2026-07-15 - 19:52
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Wed Jul 15, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25702216797,8sleep00-21swapper/007:09:100
255162128119,6sleep10-21swapper/107:06:471
25470212376,7sleep20-21swapper/207:06:132
255732113103,7sleep30-21swapper/307:07:343
278092810,5sleep22594199cyclictest08:05:182
271212560,0sleep227125-21kthreadcore09:30:182
2594199280,27cyclictest0-21swapper/211:32:032
2593699280,27cyclictest0-21swapper/110:52:331
2594199270,26cyclictest0-21swapper/211:29:342
2594199270,26cyclictest0-21swapper/210:10:372
2593699270,26cyclictest0-21swapper/109:44:561
2593699270,26cyclictest0-21swapper/108:23:381
2593699270,26cyclictest0-21swapper/108:23:381
2593699270,26cyclictest0-21swapper/108:16:471
2593699270,26cyclictest0-21swapper/107:43:351
2593699270,26cyclictest0-21swapper/107:25:341
2594199260,2cyclictest7908-21awk12:35:002
2594199260,25cyclictest0-21swapper/209:50:472
2594199260,25cyclictest0-21swapper/209:25:322
2594199260,25cyclictest0-21swapper/208:20:382
2594199260,25cyclictest0-21swapper/208:20:372
2593699260,25cyclictest0-21swapper/112:13:371
2593699260,25cyclictest0-21swapper/111:18:361
2594199250,24cyclictest0-21swapper/207:39:562
2593699250,24cyclictest0-21swapper/110:37:421
2593699250,24cyclictest0-21swapper/107:49:351
2593699250,24cyclictest0-21swapper/107:16:521
25936992422,2cyclictest0-21swapper/108:39:581
2593699240,23cyclictest0-21swapper/110:42:331
2593699240,23cyclictest0-21swapper/109:25:591
2594199231,21cyclictest0-21swapper/212:27:072
2594199231,21cyclictest0-21swapper/211:57:522
2594199231,21cyclictest0-21swapper/211:57:512
2594199231,20cyclictest23855-21munin-run10:55:002
25936992321,2cyclictest0-21swapper/110:09:511
2593699231,21cyclictest0-21swapper/110:01:481
2593699230,22cyclictest0-21swapper/111:38:011
2593699230,22cyclictest0-21swapper/108:56:201
2593699230,22cyclictest0-21swapper/108:42:261
2593699230,1cyclictest24148-21munin-run07:35:001
2593199232,20cyclictest0-21swapper/011:40:070
2594199221,20cyclictest0-21swapper/209:07:592
2594199220,21cyclictest0-21swapper/211:11:242
2594199220,21cyclictest0-21swapper/210:00:452
2594199220,21cyclictest0-21swapper/207:15:302
25936992218,3cyclictest0-21swapper/110:32:301
25936992217,4cyclictest0-21swapper/110:55:061
2593699221,3cyclictest0-21swapper/109:31:321
2593699221,20cyclictest0-21swapper/111:45:121
2593699221,20cyclictest0-21swapper/111:01:011
2593699221,20cyclictest0-21swapper/109:58:031
2593699221,20cyclictest0-21swapper/108:48:051
2593699221,20cyclictest0-21swapper/108:28:501
2593699221,20cyclictest0-21swapper/108:28:501
2593699220,3cyclictest0-21swapper/111:22:391
2593699220,3cyclictest0-21swapper/108:07:021
2593699220,21cyclictest0-21swapper/111:53:281
2593699220,21cyclictest0-21swapper/110:25:061
2593699220,21cyclictest0-21swapper/110:20:551
2593699220,21cyclictest0-21swapper/109:38:021
2593699220,21cyclictest0-21swapper/109:13:561
2593699220,21cyclictest0-21swapper/108:30:291
2593699220,21cyclictest0-21swapper/108:03:261
2593699220,21cyclictest0-21swapper/107:38:251
2593199226,15cyclictest0-21swapper/012:00:250
2594199211,3cyclictest0-21swapper/208:25:382
2594199211,3cyclictest0-21swapper/208:25:382
2594199210,2cyclictest0-21swapper/210:55:112
2594199210,20cyclictest0-21swapper/210:49:092
2594199210,20cyclictest0-21swapper/209:17:262
2593699218,12cyclictest0-21swapper/107:55:021
25936992117,3cyclictest0-21swapper/112:32:541
25936992117,3cyclictest0-21swapper/112:16:091
25936992117,3cyclictest0-21swapper/112:08:391
25936992117,3cyclictest0-21swapper/111:06:451
25936992117,3cyclictest0-21swapper/110:14:211
2593699210,3cyclictest0-21swapper/112:39:491
2593699210,3cyclictest0-21swapper/111:25:521
2593699210,3cyclictest0-21swapper/107:53:071
2593699210,21cyclictest0-21swapper/111:14:221
2593699210,20cyclictest0-21swapper/112:21:091
2593699210,20cyclictest0-21swapper/110:18:571
2593699210,20cyclictest0-21swapper/109:50:051
2593199210,15cyclictest0-21swapper/011:27:210
25941992018,1cyclictest749-21snmpd12:06:452
25941992018,1cyclictest749-21snmpd12:01:012
25941992018,1cyclictest749-21snmpd11:41:492
25941992018,1cyclictest749-21snmpd11:21:572
25941992018,1cyclictest749-21snmpd11:08:182
25941992018,1cyclictest749-21snmpd10:40:572
25941992018,1cyclictest749-21snmpd10:10:002
25941992018,1cyclictest749-21snmpd08:54:502
25941992018,1cyclictest749-21snmpd08:32:202
25941992018,1cyclictest749-21snmpd07:29:492
25941992017,2cyclictest749-21snmpd11:15:132
25941992017,2cyclictest0-21swapper/207:50:082
25941992016,4cyclictest0-21swapper/207:47:472
25936992017,3cyclictest0-21swapper/109:15:031
25936992016,3cyclictest0-21swapper/111:42:361
2593699200,2cyclictest0-21swapper/109:21:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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